<!doctype html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Preview</title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }
    </style>
</head>

<body>
    <script type="importmap">
  {
    "imports": {
      "react": "https://esm.sh/react@18.2.0",
      "react-dom/client": "https://esm.sh/react-dom@18.2.0"
    }
  }
</script>
    <script>

    </script>
    <script type="module">
        import React, { useState, useEffect } from 'react';
        import ReactDOM from 'react-dom/client';

        const App = () => {
            return React.createElement('div', null, 'aaa');
        };

        window.addEventListener('load', () => {
            const root = document.getElementById('root')
            ReactDOM.createRoot(root).render(React.createElement(App, null))
        })
    </script>

    <div id="root">
        <div
            style="position:absolute;top: 0;left:0;width:100%;height:100%;display: flex;justify-content: center;align-items: center;">
            Loading...
        </div>
    </div>

</body>

</html>